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Duplex (2 Units, Any Combination)Residential
$2,232,322$818 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $1,920,000 on Jun 2, 2021

348 OLIVE AVE

PIEDMONT, CA 94611
5
Beds
2
Baths
2,730 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
4,320 ft²
Lot SizeThe size of the land the home sits on, from county records.
1914
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.2M
$2.1M low$2.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,920,000 · Jun 2, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$31,549 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$2,112,574 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$635,828
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,483,746
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,071,029
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,014,290

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Custom Design
CountyALAMEDA
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1919
Lot (acres)The size of the land the home sits on, from county records.0.10
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(9)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Beach Elementary SchoolA
Elementary · Grades KG–5 · 0.2 mi
H
Piedmont High SchoolA
High · Grades 9–12 · 0.7 mi
M
Piedmont Middle SchoolA-
Middle · Grades 6–8 · 0.7 mi

District: Piedmont City Unified School District

Neighborhood · ZIP 94611These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.91
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.584

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.39,965
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,185 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$165,259
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$221,766
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.26 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

348 Olive Ave measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 94% of homes in Alameda County
  • Costs more per square foot than 75% of homes in Alameda County
  • Bigger than 88% of homes in Alameda County
  • Has a smaller lot than 90% of homes in Oakland 94611
  • Older than 93% of homes in Alameda County

What homes are worth in Oakland 94611

Each bar is how many homes fall in that price range. The marker is this home.

This home
$304K$4.9M

This home is worth more than 79% of homes in Oakland 94611.

How it measures up in Oakland 94611

The dot is this home. The mark in the middle is the typical home in Oakland 94611.

Estimated value$2,232,322
CheaperTypical $1,526,829Pricier

Pricier than 79% of homes nearby

Price per ft²$818
CheaperTypical $759Pricier

Pricier than 57% of homes nearby

Living area2,730 ft²
SmallerTypical 2,078 ft²Bigger

Bigger than 73% of homes nearby

Lot size4,320 ft²
SmallerTypical 0.17 acBigger

Bigger than 10% of homes nearby

Year built1914
OlderTypical 1953Newer

Newer than 11% of homes nearby

How 348 Olive Ave ranks against every home in each area.
MeasureThis homeOakland 94611Alameda County
Estimated valuepricier than$2,232,32279% of homes94% of homes
Price per ft²pricier than$81857% of homes75% of homes
Living areabigger than2,730 ft²73% of homes88% of homes
Lot sizebigger than4,320 ft²10% of homes23% of homes
Year builtnewer than191411% of homes7% of homes

About 348 Olive Ave

How much is 348 Olive Ave, Piedmont, CA worth?

The TopHap Estimate for 348 Olive Ave, Piedmont, CA is $2,232,322 as of Jul 14, 2026. The likely range is $2,071,469 to $2,393,175. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 348 Olive Ave, Piedmont, CA last sell?

348 Olive Ave, Piedmont, CA last sold on Jun 2, 2021 for $1,920,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 348 Olive Ave, Piedmont, CA?

348 Olive Ave, Piedmont, CA has 5 bedrooms, 2 bathrooms, 2,730 square feet of living space and a 0.10-acre lot.

When was 348 Olive Ave, Piedmont, CA built?

348 Olive Ave, Piedmont, CA was built in 1914, making it 112 years old. It is a custom design home. The building has 2 stories.

What schools serve 348 Olive Ave, Piedmont, CA?

348 Olive Ave, Piedmont, CA is assigned to Beach Elementary School (elementary), rated A; Piedmont High School (high), rated A; Piedmont Middle School (middle), rated A-. All sit in Piedmont City Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 348 Olive Ave, Piedmont, CA compare to other homes in Oakland 94611?

Among the 12,683 homes in Oakland 94611, it is worth more than 79% of them ($2,232,322 against a typical $1,526,829), its price per square foot is higher than 57% of them ($818 against a typical $759), it is bigger than 73% of them (2,730 ft² against a typical 2,078 ft²), its lot is bigger than 10% of them (4,320 ft² against a typical 0.17 ac) and it is newer than 11% of them (1914 against a typical 1953). Measured against all of Alameda County, it is worth more than 94% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 348 Olive Ave, Piedmont, CA?

The 2025 property tax bill for 348 Olive Ave, Piedmont, CA was $31,549. The county assessed it at $2,112,574.

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